| dd.1 (255977) | dd.1 (264059) |
|---|---|
| 1.\"- 2.\" Copyright (c) 1990, 1993 3.\" The Regents of the University of California. All rights reserved. 4.\" 5.\" This code is derived from software contributed to Berkeley by 6.\" Keith Muller of the University of California, San Diego. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)dd.1 8.2 (Berkeley) 1/13/94 | 1.\"- 2.\" Copyright (c) 1990, 1993 3.\" The Regents of the University of California. All rights reserved. 4.\" 5.\" This code is derived from software contributed to Berkeley by 6.\" Keith Muller of the University of California, San Diego. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)dd.1 8.2 (Berkeley) 1/13/94 |
| 33.\" $FreeBSD: head/bin/dd/dd.1 255977 2013-10-01 18:41:53Z pluknet $ | 33.\" $FreeBSD: head/bin/dd/dd.1 264059 2014-04-03 00:55:16Z delphij $ |
| 34.\" | 34.\" |
| 35.Dd October 1, 2013 | 35.Dd April 2, 2014 |
| 36.Dt DD 1 37.Os 38.Sh NAME 39.Nm dd 40.Nd convert and copy a file 41.Sh SYNOPSIS 42.Nm 43.Op Ar operands ... --- 107 unchanged lines hidden (view full) --- 151blocks from the beginning of the input before copying. 152On input which supports seeks, an 153.Xr lseek 2 154operation is used. 155Otherwise, input data is read and discarded. 156For pipes, the correct number of bytes is read. 157For all other devices, the correct number of blocks is read without 158distinguishing between a partial or complete block being read. | 36.Dt DD 1 37.Os 38.Sh NAME 39.Nm dd 40.Nd convert and copy a file 41.Sh SYNOPSIS 42.Nm 43.Op Ar operands ... --- 107 unchanged lines hidden (view full) --- 151blocks from the beginning of the input before copying. 152On input which supports seeks, an 153.Xr lseek 2 154operation is used. 155Otherwise, input data is read and discarded. 156For pipes, the correct number of bytes is read. 157For all other devices, the correct number of blocks is read without 158distinguishing between a partial or complete block being read. |
| 159.It Cm status Ns = Ns Ar value 160Where 161.Cm value 162is one of the symbols from the following list. 163.Bl -tag -width ".Cm noxfer" 164.It Cm noxfer 165Do not print the transfer statistics as the last line of status output. 166.It Cm none 167Do not print the status output. 168Error messages are shown; informational messages are not. 169.El |
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| 159.It Cm conv Ns = Ns Ar value Ns Op , Ns Ar value ... 160Where 161.Cm value 162is one of the symbols from the following list. 163.Bl -tag -width ".Cm unblock" 164.It Cm ascii , oldascii 165The same as the 166.Cm unblock --- 238 unchanged lines hidden (view full) --- 405.Sh STANDARDS 406The 407.Nm 408utility is expected to be a superset of the 409.St -p1003.2 410standard. 411The 412.Cm files | 170.It Cm conv Ns = Ns Ar value Ns Op , Ns Ar value ... 171Where 172.Cm value 173is one of the symbols from the following list. 174.Bl -tag -width ".Cm unblock" 175.It Cm ascii , oldascii 176The same as the 177.Cm unblock --- 238 unchanged lines hidden (view full) --- 416.Sh STANDARDS 417The 418.Nm 419utility is expected to be a superset of the 420.St -p1003.2 421standard. 422The 423.Cm files |
| 413operand and the | 424and 425.Cm status 426operands and the |
| 414.Cm ascii , 415.Cm ebcdic , 416.Cm ibm , 417.Cm oldascii , 418.Cm oldebcdic 419and 420.Cm oldibm 421values are extensions to the 422.Tn POSIX 423standard. 424.Sh BUGS 425Protection mechanisms in the 426.Xr geom 4 427subsystem might prevent the super-user from writing blocks to a disk. 428Instructions for temporarily disabling these protection mechanisms can be 429found in the 430.Xr geom 4 431manpage. | 427.Cm ascii , 428.Cm ebcdic , 429.Cm ibm , 430.Cm oldascii , 431.Cm oldebcdic 432and 433.Cm oldibm 434values are extensions to the 435.Tn POSIX 436standard. 437.Sh BUGS 438Protection mechanisms in the 439.Xr geom 4 440subsystem might prevent the super-user from writing blocks to a disk. 441Instructions for temporarily disabling these protection mechanisms can be 442found in the 443.Xr geom 4 444manpage. |